參數(shù)資料
型號(hào)： KSZ8995XA
廠商： MICREL INC
元件分類： 網(wǎng)絡(luò)接口
英文描述： Integrated 5-Port 10/100 QoS Switch
中文描述： DATACOM, LAN SWITCHING CIRCUIT, PQFP128
封裝： LEAD FREE, PLASTIC, QFP-128
文件頁(yè)數(shù)： 43/51頁(yè)
文件大?。?/td> 305K
代理商： KSZ8995XA
May 2005
43
M9999-051305
KS8995XA
Absolute Maximum Ratings
(1)
Supply Voltage
(V
DDAR,
V
DDAP,
V
DDC
) ............................. –0.5V to +2.4V
(V
DDAT,
V
DDIO
Input Voltage (All Inputs)............................. –0.5V to +4.0V
Output Voltage (All Outputs) ....................... –0.5V to +4.0V
Lead Temperature (soldering, 10 sec.) ..................... 270
°
C
Storage Temperature (T
S
) ....................... –55
°
C to +150
°
C
Micrel, Inc.
Operating Ratings
(2)
Supply Voltage
(V
DDAR,
V
V
) ............................. +1.7V to +1.9V
(V
DDAT
)...................+3.15V to +3.45V or +2.4V to +2.6V
(V
DDIO
) ................................................ +3.15V to +3.45V
Ambient Temperature (T
)
Commercial .............................................. –0
°
C to +70
°
C
Package Thermal Resistance
(3)
PQFP
(
θ
JA
) No Air Flow .................................42.91
°
C/W
Electrical Characteristics
(4, 5)
Symbol
100BASE-TX Operation — All Ports 100% Utilization
I
DDC
I
DDIO
10BASE-TX Operation — All Ports 100% Utilization
I
DDC
I
DDIO
Auto-Negotiation Mode
I
DDC
I
DDIO
TTL Inputs
V
IH
V
IL
I
IN
(Excluding Pull-up/Pull-down)
TTL Outputs
V
OH
V
OL
|I
OZ
|
100BASE-TX Transmit (measured differentially after 1:1 transformer)
V
O
V
IMB
t
r
, t
t
Rise/Fall Time Imbalance
Notes:
1. Exceeding the absolute maximum rating may damage the device.
2. The device is not guaranteed to function outside its operating rating. Unused inputs must always be tied to an appropriate logic voltage level (ground
to V
DD
).
3. No heat spreader in package.
4. Specification for packaged product only.
5. Measurements were taken with operating ratings.
Parameter
Condition
Min
Typ
Max
Units
100BASE-TX (Digital Core/PLL + Analog RX)
V
DDC
, V
DDAP
, V
DDAR
100BASE-TX (Digital IO + Transmitter)
194
223
206
226
mA
mA
V
DDIO
,
V
DDAT
10BASE-TX (Digital Core + Analog RX)
10BASE-TX (Digital IO + Transmitter)
V
DDC
, V
DDAP
V
DDIO
,
V
DDAT
152
336
161
347
mA
mA
10BASE-TX (Digital Core + Analog RX) V
DDC
, V
DDAP
10BASE-TX (Digital IO + Transmitter)
137
21
146
23
mA
mA
V
DDIO
,
V
DDAT
Input High Voltage
Input Low Voltage
Input Current
+2.0
V
V
μ
A
+0.8
10
V
IN
= GND ~ V
DDIO
–10
Output High Voltage
Output Low Voltage
Output Tri-State Leakage
I
OH
= –8mA
I
OL
= 8mA
+2.4
V
V
μ
A
+0.4
10
Peak Differential Output Voltage
Output Voltage Imbalance
Rise/Fall Time
100
termination on the differential output
100
termination on the differential output
0.95
1.05
2
5
0.5
V
%
ns
ns
3
0
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